Pipe clamp



FIG. 1 is a perspective view of a pipe clamp showing my new design;

FIG. 2 is an elevated right side view thereof, the left side being a mirror image;

FIG. 3 is an elevated front end view thereof;

FIG. 4 is an elevated back end view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The C-clamp depicted in broken line is shown for illustrative purposes only and forms no part of the claimed design. 

CLAIM I claim the ornamental design for the pipe clamp, as shown and described. 